api5000IBR Approved API 6a Weld Neck Blind Slip On Flanges manufacturer India, Buy API 6a 6b And 6bx Flange On, View API 6a Type 6b Flange Price Size Pressure Rating, Refer API Flange Dimensions PDF.API 6A Type 6BX 5000 PSI Weld Neck Flanges are generally used in hh pressure applications, where hot or cold temperatures exist. These steel API 6A weld neck flanges